{"title":"20 Jahre nach der Entdeckung von Graphen: Zweidimensionale Materialien","authors":"Ulrich Schubert","doi":"10.1002/ciuz.202400020","DOIUrl":"https://doi.org/10.1002/ciuz.202400020","url":null,"abstract":"<div>\u0000 \u0000 <p>Solids with a two-dimensional shape but only a few nanometers thickness are in the focus of scientific interest following the discovery of graphene. Single layers were successfully exfoliated from other layered solids, and new methods for the production and stabilization of 2D nanostructures were developed. Taking metal dichalcogenides, hexagonal boron nitride, silicene and transition metal carbide/nitride phases (MXenes) as examples, this article introduces synthesis methods and properties of 2D-materials.</p>\u0000 </div>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"74-80"},"PeriodicalIF":0.9,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Der Kampf mit der Hydra?","authors":"Deike Hatscher","doi":"10.1002/ciuz.202400036","DOIUrl":"https://doi.org/10.1002/ciuz.202400036","url":null,"abstract":"","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"386"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Inhalt: Chemie in unserer Zeit 6/2024","authors":"","doi":"10.1002/ciuz.202470602","DOIUrl":"https://doi.org/10.1002/ciuz.202470602","url":null,"abstract":"","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"326-327"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Glas","authors":"","doi":"10.1002/ciuz.202470601","DOIUrl":"https://doi.org/10.1002/ciuz.202470601","url":null,"abstract":"<p><b>Großes Geheimnis Glas</b></p><p>Glas gab es schon im alten Rom. Vom damaligen Luxusgut hat es sich zu einem gefragten Werkstoff für vielfältige Anwendungen entwickelt. So dient Glaskeramik als Material für Kochfelder, aber auch für astronomische Teleskope, und Borosilikatglas mit seiner hohen chemischen und thermischen Beständigkeit ist aus Labor und Küche nicht mehr wegzudenken. Auch die moderne Architektur ist ohne großflächige Flachglasscheiben undenkbar.</p><p>Das Titelbild zeigt Weihnachtsschmuck aus Lauscha in Thüringen.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"325"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ciuz.202470601","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Vorschau auf Heft 1/2025","authors":"","doi":"10.1002/ciuz.202470603","DOIUrl":"https://doi.org/10.1002/ciuz.202470603","url":null,"abstract":"","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"387"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ciuz.202470603","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Quantenphysik spielerisch lernen mit Katze Q","authors":"","doi":"10.1002/ciuz.202410018","DOIUrl":"https://doi.org/10.1002/ciuz.202410018","url":null,"abstract":"<p>Ob der Physiker Erwin Schrödinger ein Katzenfreund war, ist nicht eindeutig dokumentiert. Sein weltberühmtes Gedankenexperiment mit der Katze war wohl eher eine theoretische Konstruktion, um die Paradoxien der Quantenmechanik in der makroskopischen Welt zu verdeutlichen, und weniger ein Hinweis auf seine persönlichen Vorlieben für Haustiere. Katze Q als Protagonistin eines digitalen Lernspiels und inzwischen auch eines Escape-Rooms zur Quantenpysik scheint jedenfalls für das schwierige Thema zu begeistern.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"373"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Riesige Elementarzelle mitten in Brüssel","authors":"Frederike Saal, Jonas Florian Wunsch","doi":"10.1002/ciuz.202400037","DOIUrl":"https://doi.org/10.1002/ciuz.202400037","url":null,"abstract":"<p>Die hier vorgestellte Aufgabe soll eine Einführung in grundlegende Berechnungen zu Elementarzellen und Kernspaltungsprozessen geben. Inspiration dazu stiftet die Architektur und Bedeutungsebene des Atomiums.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"374-375"},"PeriodicalIF":0.9,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Die Regulation der Genaktivität durch mikroRNA","authors":"Annette Hille-Rehfeld","doi":"10.1002/ciuz.202410016","DOIUrl":"https://doi.org/10.1002/ciuz.202410016","url":null,"abstract":"<p>Die Entwicklungsbiologen Victor Ambros und Gary Ruvkun entdeckten das Prinzip der posttranskriptionalen Regulation von Genaktivitäten durch mikroRNA. Dieser Regulationsmechanismus ist bei vielzelligen Tieren nicht nur für die Individualentwicklung, sondern auch für die Physiologie adulter Organismen bedeutsam. Die Arbeitsteilung von Geweben innerhalb eines Organismus basiert auf der Ausbildung spezialisierter Zellen, deren unterschiedliche Funktionen die jedem Zelltyp eigene Ausstattung an Proteinen sicherstellt. Dessen ungeachtet ist das Genom aller Zellen primär identisch. Für die Differenzierung von Zellen während der Embryonalentwicklung müssen deshalb Proteine kodierende Gene zeitlich und zellspezifisch aktiviert werden.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"58 6","pages":"332-333"},"PeriodicalIF":0.9,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}